Fix branch ci

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

build/ci/.build-container.yml

@@ -29,6 +29,9 @@ build-docker:
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_NIGHTLY == null
       variables:
         TAG: $CI_REGISTRY_IMAGE:latest
+    - if: '$CI_COMMIT_BRANCH'
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:branch
       
   script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY